#include <iomanip>	// IO Manipulators
#include <ios>
#include <iostream>
#include <string>
#include <list>
#include <algorithm>
#include <stdexcept>
#include "grade.h"
#include "student_info.h"
#include "approval.h"

using std::cin;		using std::string;
using std::cout;	using std::endl;

int
main(void)
{
	std::list<StudentInfo> students, fail;
	StudentInfo record;
	string::size_type maxlen = 0;

	while (read_student(cin, record)) {
		maxlen = std::max(maxlen, record.name.size());
		students.push_back(record);
	}

	students.sort(compare_students);

	for (std::list<StudentInfo>::iterator i = students.begin();
	     i != students.end();
	     i++) {

		cout << i->name
		     << string(maxlen + 1 - i->name.size(), ' ');

		try {
			double final_grade = grade(*i);

			std::streamsize prec = cout.precision();
			cout << std::setprecision(3) << final_grade
			     << std::setprecision(prec);
			cout << " - Student "
			     << (fgrade(*i) ? "Failed" : "Approved");

		} catch (std::domain_error& e){
			cout << e.what();
		}

		cout << endl;
	}

	fail = extract_fails(students);

	std::cout << "Failed students: " << std::endl;

	for (std::list<StudentInfo>::iterator i = fail.begin();
	     i != fail.end();
	     i++) {
		std::cout << i->name << std::endl;
	}

	return 0;
}